<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    var obj = {
            "name": "currying"
        },
        fun = function() {
            console.log(this.name);
        }.bind(obj);

    fun(); // currying
</script>
</body>
</html>